HMC724LC3
v03.0514
High Speed Logic - SMT
14 Gbps FAST RISE TIME
1:2 FANOUT BUFFER
Typical Applications
Features
The HMC724LC3 is ideal for:
Inputs Terminated Internally to 50 Ohms
• 16 G Fiber Channel
Differential Inputs are DC Coupled
• RF ATE Applications
Propagation Delay: 110 ps
• Broadband Test & Measurement
Fast Rise and Fall Times: 19 / 18 ps
• Serial Data Transmission up to 14 Gbps
Power Dissipation: 300 mW
• Clock Buffering up to 14 GHz
16 Lead Ceramic 3x3 mm SMT Package: 9 mm 2
Functional Diagram
General Description
The HMC724LC3 is a 1:2 Fanout Buffer designed to
support data transmission rates up to 14 Gbps, and
clock frequencies as high as 14 GHz. All differential
inputs and outputs are DC coupled and terminated on
chip with 50 Ohm resistors to ground. The outputs may
be used in either single ended or differential modes,
and should be AC or DC coupled into 50 Ohm resistors
connected to ground.
All differential inputs to the HMC724LC3 are CML and
terminated on-chip with 50 Ohms to the positive supply,
GND, and may be DC or AC coupled. The differential
CMl outputs are source terminated to to 50 Ohms
and may also be AC or DC coupled. Outputs can be
connected directly to a 50 Ohm ground-terminated
system or drive devices with CML logic input. The
HMC724LC3 operates from a single -3.3 V supply and
is available in ROHS-compliant 3x3 mm SMT package.
Electrical Specifications, TA = +25 ºC, Vee = -3.3 V
Parameter
Conditions
Power Supply Voltage
Typ.
Max
-3.6
-3.3
-3.0
Units
V
Power Supply Current
90
mA
Maximum Data Rate
14
Gbps
Maximum Clock Rate
14
GHz
Input Voltage Range
-1.5
0.5
V
Input Differential Range
0.1
2.0
Vp-p
Input Return Loss
Output Amplitude
Frequency
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